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Green Technology and Patents in the Presence of Green Consumers

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  • Corinne Langinier
  • Amrita Ray Chaudhuri

Abstract

We develop a theoretical framework to investigate the impact of patent policies and emission taxes on green innovation that reduces the emission output ratio, and on the emission level. In the absence of green consumers, the introduction of patents results in a paradox whereby increasing emission tax beyond a certain threshold leads to a discrete increase in the emission level, which may be avoided by reducing the patenting cost. In the presence of green consumers, this paradox is restricted to an intermediate range of tax rates, and at suffciently high tax rates, reducing the patenting cost may increase the emission level. Also, higher emission taxes increase green investment only if the fraction of green consumers is sufficiently small, and the magnitude of this effect decreases as this fraction increases. Moreover, a stricter patentability requirement is only effective at reducing emissions if the fraction of green consumers is sufficiently small.

Suggested Citation

  • Corinne Langinier & Amrita Ray Chaudhuri, 2019. "Green Technology and Patents in the Presence of Green Consumers," Departmental Working Papers 2019-02, The University of Winnipeg, Department of Economics.
  • Handle: RePEc:win:winwop:2019-02
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    More about this item

    JEL classification:

    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • Q50 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - General

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